Workpiece Carrier Transport for Security Document Lamination
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Solution Overview
Problem
The existing methods for producing document bodies for security documents are inefficient and lack optimized process design, particularly in terms of time and effort, when laminating multiple layers and elements.
Innovation Solution
A method and device that utilize a transport device with a workpiece carrier to systematically pick up and stack document elements according to a predetermined order, followed by lamination in a hot-cold laminating press, allowing for flexible adaptation of the production process and efficient handling of different document elements and film layers.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Productivity
If multiple document elements are laminated together using conventional methods, then a document body for security documents is produced, but the manufacturing process is time-consuming and inefficient
Solution Approach 1:
The document body is divided into separate document elements (film layers, chips, etc.) that are individually supplied from separate provisioning devices. Each element is picked up and stacked in a specific sequence on a workpiece carrier, allowing parallel preparation of multiple elements before final lamination, thus reducing total process time.
Solution Approach 2:
Document elements are pre-supplied and pre-positioned on the workpiece carrier in the correct stacking sequence before the lamination process. The transport device moves the carrier to each provisioning device in advance to pick up elements in the required order, eliminating delays during the lamination process.
2Manufacturing precision
If document elements are stacked in a specific sequence, then the document body structure is correct, but the process complexity increases
Solution Approach 1:
A workpiece carrier serves as an intermediary tool that holds and organizes multiple document elements in the correct stacking sequence. The transport device moves this carrier systematically between different provisioning devices, allowing precise control over element placement without complex direct positioning mechanisms.
Solution Approach 2:
The workpiece carrier is a universal component that can accommodate different types of document elements (film layers, chips, etc.) from multiple provisioning devices. It provides a standardized interface for picking up and stacking various elements, simplifying the overall system design while maintaining precision.
3Adaptability or versatility
If multiple provisioning devices are used to supply different document elements, then the variety of document body compositions is increased, but the system complexity increases
Solution Approach 1:
Multiple provisioning devices that supply different document elements are integrated into a single coordinated system. The transport device visits each provisioning device in sequence, combining the functionality of multiple independent supply sources into one unified process flow, thereby reducing overall system complexity while maintaining versatility.
Solution Approach 2:
The transport device dynamically adjusts its path and timing to visit different provisioning devices in the required sequence. This dynamic scheduling allows the system to adapt to different document body configurations by simply changing the visit sequence, without adding physical complexity to the system structure.
Applied Scientific Principles
This section explains which scientific principles are used to turn an abstract innovation direction into a practical engineering solution.
Function Achieved in This Case
This approach significantly reduces time and effort by ensuring document elements are correctly ordered and laminated, enabling efficient production of document bodies that can be further processed, with the ability to adapt to different security document types and structures.
Implementation Method 1
producing a document body for a security document by laminating the document elements in the stack of document elements in the hot/cold laminating press
Implementation Method 2
applying a temperature and pressure profile
Implementation Method 3
applying a temperature and pressure profile
Data Source
Figure 1
AI summary
The invention relates to a method and a device for producing a document body for a security document. The method comprises the following steps: providing a workpiece carrier (3) on a transport device (4); moving the transport device (4) with the workpiece carrier (3) to a dispensing device (5) by which document elements are provided; picking up a document element from the dispensing device (5) for a stack of document elements in the workpiece carrier; moving the transport device (4) with the workpiece carrier (3) to at least one further dispensing device (5) by which further document elements are provided;Picking up another document element from the at least one further dispensing device (5) in the stack of document elements in the workpiece carrier (3), wherein the one further document element in the stack is arranged above the first document element according to a stacking sequence of document elements in a document body to be produced; transferring the transport device (4) with the workpiece carrier (3) to a hot/cold laminating press (7); picking up the workpiece carrier (3) with the stack of document elements from the transport device (4) and producing a document body for a security document by laminating the document elements in the stack of document elements in the hot/cold laminating press (7); and removing the document body from the workpiece carrier (3). (Figure);